#include<stdio.h>
char strlwr(char a)
{
	char x=a;
	int i;
	if(x>='a'&&x<='z')
	{
		x=(x+2-'a')%26+'a';
	}
	else if(x>='A'&&x<='Z')
	{
		x=(x+2-'A')%26+'A';
	}
	else if(x>='0'&&x<='9')
	{
		x=(x+2-'0')%10+'0';
	}
	else
		return 0;
	return x; 
}
int main()
{
	char str[20];
	int i=0;
	for(i=0;i<20;i++)
		str[i]=0;
	while(1)
	{
		str[i]=getchar();
		if(str[i]=='\n')
			break;	
		else
		{
			str[i]=strlwr(str[i]);
			putchar(str[i]);
			i++;
		}
	}
	return 0;
}
